2001-2004 Models

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 Honda Insight, 2005 Honda Insight, 2004 Honda Insight, 2003 Honda Insight, and 2002 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Record all freeze data and review General Troubleshooting Information (see GENERAL TROUBLESHOOTING INFORMATION ) before you troubleshoot.

Check whether the scan tool or the HDS indicates another code.
Does the scan tool or the HDS indicate another code?
1. YES -Do the DTC Troubleshooting for the indicated code(s). Recheck for DTC P1890 after troubleshooting.
2. NO -Go to step 2.
Measure the stall speed RPM in the D position (see STALL SPEED TEST ).
Is the stall speed over 3,500 RPM?
1. YES -Replace the transmission.
2. NO -If the stall speed is below 2,000 RPM, replace the lower valve body assembly. If the stall speed is 2,000-3,500 RPM, go to step 3.
Drive the vehicle at 37 mph (60 km/h), and check the engine speed with respect to vehicle speed and throttle position (see ROAD TEST ).
Is the engine speed within specification?
1. YES -Replace the lower valve body assembly.
2. NO -Replace the transmission.